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Optical Science and Technology, SPIE's 48th Annual Meeting | 2003

Highly efficient projection system for a single DLP panel

Dae-Sik Kim; Kun-ho Cho; Sung-Ha Kim; Hee-joong Lee

We propose and demonstrate a single DLP projection system with high illumination efficiency by the moving color stripe method. White light from the lamp is split and focused as color images by the color filter and lens cells of spiral lens wheel (SLW). Fly eye lens and relay lens superpose color bars on the light valve, and then 3 color strips are scrolled linearly by rotating SLW. As a result, the system output is evaluated as 1.7 times compared to a typical single panel DLP system.


Archive | 2003

Highly efficient scrolling projection system and method

Hee-joong Lee; Kun-ho Cho; Dae-Sik Kim; Sung-Ha Kim


Archive | 2004

Color illuminating system and projection type image display apparatus using the same

Dae-Sik Kim; Kun-ho Cho; Sung-Ha Kim; Hee-joong Lee


Archive | 2004

Color separating unit and projection type image display apparatus employing the same

Dae-Sik Kim; Kun-ho Cho; Sung-Ha Kim


Archive | 2003

Single-panel color image display apparatus and scrolling method

Sung-Ha Kim; Kun-ho Cho; Dae-Sik Kim; Ju-seong Hwang; Hee-joong Lee


Archive | 2003

High-resolution display including pixel moving optical system

Kun-ho Cho; Dae-Sik Kim; Sung-Ha Kim; Hee-joong Lee; Tae-hee Kim


Archive | 2004

High efficiency projection system and method of forming color image using the same

Dae-Sik Kim; Kun-ho Cho; Sung-Ha Kim


Archive | 2004

Projection type image display system capable of color scrolling

Hee-joong Lee; Kun-ho Cho; Dae-Sik Kim; Sung-Ha Kim


Archive | 2004

Illumination apparatus employing auxiliary light source and projection system including illumination apparatus

Dae-Sik Kim; Kun-ho Cho; Sung-Ha Kim


Archive | 2003

Color lighting apparatus and method and image projection apparatus and method using the same

Sung-Ha Kim; Kun Ho Cho; Dae-Sik Kim; Hee-joong Lee

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